Home / 2,538,545.28-3,807,830.40-855,663.36

Finding the Fourth Proportional to 2,538,545.28, 3,807,830.40 and 855,663.36

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Solution

The fourth proportional to 2,538,545.28, 3,807,830.40 and 855,663.36 is: 1,283,499.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538,545.28 : 3,807,830.40 = 855,663.36 : x
  2. Step 2: Convert to fraction form
    2,538,545.28/3,807,830.40 = 855,663.36/x
  3. Step 3: Cross multiply
    2,538,545.28x = 3,807,830.40 × 855,663.36
  4. Step 4: Simplify right side
    2,538,545.28x = 3,258,220,954,374.14
  5. Step 5: Solve for x
    x = 3,258,220,954,374.14/2,538,545.28
  6. Step 6: Final answer
    x = 1,283,499.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.